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Listar por autor "Casares Giner, Vicente"

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Algoritmos de traspaso de llamadas en redes inalámbricas celulares

Li, Yiran (Universitat Politècnica de València, 2017-12-12)

When a Mobile Terminal (MT) with a call in progress visits a new cell-coverage area, it is desirable to guarantee the continuity of the ongoing call. To that purpose, several handover algorithms can be issued. Reserve ...
Análisis de prestaciones de protocolos de acceso aleatorio en comunicaciones máquina a máquina (M2M)

Wang, Yuqi (Universitat Politècnica de València, 2019-08-01)

[ES] En un futuro próximo, se espera la implementación y el uso de protocolos de acceso aleatorio (RAP) eficientes para las comunicaciones de máquina a máquina (M2M). Debido a su simplicidad en la operación, ALOHA ranurado ...
Contribución a la gestión de recursos en redes de acceso celulares. Modelos analíticos y evaluación de prestaciones

Pla Boscà, Vicent (Universitat Politècnica de València, 2008-05-07)

Desde sus inicios hace algo más de veinte años, la telefonía móvil celular ha experimentado un enorme crecimiento e importantes transformaciones y, todavía hoy, se encuentra en una fase de cambio y crecimiento. A ...
Discrete time analysis of cognitive radio networks with imperfect sensing and saturated source of secondary users, Computer Communications

Alfa, A. S.; Pla, Vicent; Martínez Bauset, Jorge; Casares Giner, Vicente (Elsevier, 2016-04-01)

Sensing is one of the most challenging issues in cognitive radio networks. Selection of sensing parameters raises several tradeoffs between spectral efficiency, energy efficiency and interference caused to primary users ...
Discrete Time Analysis of Cognitive Radio Networks with Non-Saturated Source of Secondary Users

Pla, Vicent; Alfa, Attahiru S.; Martínez Bauset, Jorge; Casares-Giner, Vicente (John Wiley & Sons, 2019-01-02)
Diseño de un protocolo para redes tolerantes a retardos: RTaDAP

Martínez Tornell, Sergio (Universitat Politècnica de València, 2013-02-26)

[EN] In last years the European Commission has decided to make an e ort in order to improve road tra c security. One of the main lines which this e ort is divided in is the Intelligent Transportation System technology, ...
Efficient Method to Approximately Solve Retrial Systems with Impatience

Giménez Guzmán, José Manuel; Doménech Benlloch, María José; Pla, Vicent; Martínez Bauset, Jorge; Casares Giner, Vicente (Hindawi Publishing Corporation, 2012)

We present a novel technique to solve multiserver retrial systems with impatience. Unfortunately these systems do not present an exact analytic solution, so it is mandatory to resort to approximate techniques. This novel ...
Efficient Random Access Channel Evaluation and Load Estimation in LTE-A with Massive MTC

Tello-Oquendo, Luis; Pla, Vicent; Leyva-Mayorga, Israel; Martínez Bauset, Jorge; Casares-Giner, Vicente; Guijarro, Luis (Institute of Electrical and Electronics Engineers, 2019-02)

[EN] The deployment of machine-type communications (MTC) together with cellular networks has a great potential to create the ubiquitous Internet-of-Things environment. Nevertheless, the simultaneous activation of a large ...
End to End Delay and Energy Consumption in a Two Tier Cluster Hierarchical Wireless Sensor Networks

Casares-Giner, Vicente; Navas, Tatiana Inés; Smith Flórez, Dolly; Vargas Hernández, Tito Raúl (MDPI AG, 2019-04)

[EN] In this work it is considered a circular Wireless Sensor Networks (WSN) in a planar structure with uniform distribution of the sensors and with a two-level hierarchical topology. At the lower level, a cluster configuration ...
Energy Consumption Modeling for Heterogeneous Internet of Things Wireless Sensor Network Devices: Entire Modes and Operation Cycles Considerations

Portillo-Jimenez, Canek; Martínez Bauset, Jorge; Pla, Vicent; Casares-Giner, Vicente (MDPI AG, 2024-08-02)

[EN] Wireless sensor networks (WSNs) and sensing devices are considered to be core components of the Internet of Things (IoT). The performance modeling of IoT-WSN is of key importance to better understand, deploy, and ...
Framed ALOHA Protocol with FIFO-Blocking and LIFO-Push out Discipline

Casares Giner, Vicente; Sempere Paya, Víctor Miguel; Todoli Ferrandis, David (Macrothink Institute, 2014-08-14)

This paper considers the framed ALOHA protocol for a finite number of terminals. Terminals are single-buffered, i.e. each one can store only one data packet. We derive the throughput and the delay under two types of queue ...
Funciones prolate para modulaciones multiportadora

Romero Quiroz, Milton Andrés (Universitat Politècnica de València, 2018-10-05)

Las funciones prolate forman una familia de funciones ortogonales que maximizan la concentración de energía para una determinada banda de frecuencias. En este trabajo fin de master se pretende estudiar la aplicación de ...
Introducción a una red virtualizada con VMWare y copias de seguridad

Ganga López, Javier (Universitat Politècnica de València, 2017-11-30)

El proyecto trata sobre una introducción a los sistemas de virtualización, y su software VMWare, para facilitar y aconsejar su aprendizaje en la Universidad Politécnica de Valencia. Para ello, inicialmente se introducirán ...
Local Anchor Based Location Management Schemes for Small Cells in HetNets

Pacheco-Paramo, Diego F.; Akyildiz, Ian F.; Casares Giner, Vicente (Institute of Electrical and Electronics Engineers (IEEE), 2016-04)

[EN] Existing location management (LM) methods for macrocells in LTE-Advanced have tracking area list (TAL) granularity. Therefore, a user equipment (UE) triggers a location update (LU) whenever it leaves its current TAL, ...
Modelado y evaluación de la gestión de recursos en redes móviles celulares

Doménech Benlloch, María José (Universitat Politècnica de València, 2010-05-24)

En la última década las redes móviles celulares han experimentado un enorme crecimiento. Asimismo el aumento del número de servicios y el ancho de banda que requieren hace necesario un correcto modelado y gestión de recursos. ...
Modeling of Duty-Cycled MAC Protocols for Heterogeneous WSN with Priorities

Portillo, Canek; Martínez Bauset, Jorge; Pla, Vicent; Casares-Giner, Vicente (MDPI AG, 2020-03)

[EN] Wireless Sensor Networks (WSN) have experienced an important revitalization, particularly with the arrival of Internet of Things applications. In a general sense, a WSN can be composed of different classes of nodes, ...
Modulation and Coding Techniques in Wireless Communications

Casares Giner, Vicente; Martínez Zaldívar, Francisco José (Institute of Electrical and Electronics Engineers (IEEE), 2012-06)

This is a timely book on wireless communications, with twelve chapters covering theoretical results and material of standards. The first nine chapters, some 380 pages, are devoted to basic concepts on channel models, ...
On the accurate performance evaluation of the LTE-A random access procedure and the access class barring scheme

Leyva-Mayorga, Israel; Tello-Oquendo, Luis; Pla, Vicent; Martínez Bauset, Jorge; Casares-Giner, Vicente (Institute of Electrical and Electronics Engineers, 2017)

[EN] The performance evaluation of the random access (RA) in LTE-A has recently become a major research topic as these networks are expected to play a major role in future 5G networks. Up to now, the key performance ...
Optimal Radio Access Technology Selection on Heterogeneous Networks

Pacheco Páramo, Diego Felipe; Pla, Vicent; Casares Giner, Vicente; Martínez Bauset, Jorge (Elsevier, 2012-09)

[EN] The joint management of radio resources in heterogeneous networks is considered to improve their capacity. We propose joint schemes for admission control and access technology selection with vertical handoffs. Optimal ...
Performance Analysis and Optimal Access Class Barring Parameter Configuration in LTE-A Networks With Massive M2M Traffic

Tello-Oquendo, Luis; Leyva-Mayorga, Israel; Pla, Vicent; Martínez Bauset, Jorge; Vidal Catalá, José Ramón; Casares-Giner, Vicente; Guijarro, Luis (Institute of Electrical and Electronics Engineers, 2018-04)

[EN] Over the coming years, it is expected that the number of machine-to-machine (M2M) devices that communicate through long term evolution advanced (LTE-A) networks will rise significantly for providing ubiquitous information ...